45977953 has 4 divisors (see below), whose sum is σ = 52546240. Its totient is φ = 39409668.

The previous prime is 45977947. The next prime is 45977959. The reversal of 45977953 is 35977954.

45977953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35977954 = 2 ⋅17988977.

It is an interprime number because it is at equal distance from previous prime (45977947) and next prime (45977959).

It is a cyclic number.

It is not a de Polignac number, because 45977953 - 2¹³ = 45969761 is a prime.

It is a super-2 number, since 2×45977953² = 4227944324140418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45977897 and 45977906.

It is not an unprimeable number, because it can be changed into a prime (45977959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284133 + ... + 3284146.

It is an arithmetic number, because the mean of its divisors is an integer number (13136560).

Almost surely, 2^45977953 is an apocalyptic number.

It is an amenable number.

45977953 is a deficient number, since it is larger than the sum of its proper divisors (6568287).

45977953 is an equidigital number, since it uses as much as digits as its factorization.

45977953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568286.

The product of its digits is 1190700, while the sum is 49.

The square root of 45977953 is about 6780.7044619272. The cubic root of 45977953 is about 358.2475348696.

Subtracting from 45977953 its reverse (35977954), we obtain a palindrome (9999999).

The spelling of 45977953 in words is "forty-five million, nine hundred seventy-seven thousand, nine hundred fifty-three".