53896949 has 4 divisors (see below), whose sum is σ = 53984640. Its totient is φ = 53809260.

The previous prime is 53896943. The next prime is 53896951. The reversal of 53896949 is 94969835.

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: 94969835 = 5 ⋅18993967.

It is a cyclic number.

It is not a de Polignac number, because 53896949 - 2¹⁶ = 53831413 is a prime.

It is a super-2 number, since 2×53896949² = 5809762223017202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53896949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53896943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42917 + ... + 44154.

It is an arithmetic number, because the mean of its divisors is an integer number (13496160).

Almost surely, 2^53896949 is an apocalyptic number.

It is an amenable number.

53896949 is a deficient number, since it is larger than the sum of its proper divisors (87691).

53896949 is an equidigital number, since it uses as much as digits as its factorization.

53896949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87690.

The product of its digits is 2099520, while the sum is 53.

The square root of 53896949 is about 7341.4541475106. The cubic root of 53896949 is about 377.7357245929.

It can be divided in two parts, 53896 and 949, that added together give a palindrome (54845).

The spelling of 53896949 in words is "fifty-three million, eight hundred ninety-six thousand, nine hundred forty-nine".