546407553 has 4 divisors (see below), whose sum is σ = 728543408. Its totient is φ = 364271700.

The previous prime is 546407539. The next prime is 546407569. The reversal of 546407553 is 355704645.

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.

It is not a de Polignac number, because 546407553 - 2²⁰ = 545358977 is a prime.

It is a super-2 number, since 2×546407553² = 597122427950895618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546408553) 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, 91067923 + ... + 91067928.

It is an arithmetic number, because the mean of its divisors is an integer number (182135852).

Almost surely, 2^546407553 is an apocalyptic number.

It is an amenable number.

546407553 is a deficient number, since it is larger than the sum of its proper divisors (182135855).

546407553 is a wasteful number, since it uses less digits than its factorization.

546407553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182135854.

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 546407553 is about 23375.3620934522. The cubic root of 546407553 is about 817.5335130142.

The spelling of 546407553 in words is "five hundred forty-six million, four hundred seven thousand, five hundred fifty-three".