55773357 has 16 divisors (see below), whose sum is σ = 75248640. Its totient is φ = 36743472.

The previous prime is 55773329. The next prime is 55773359. The reversal of 55773357 is 75337755.

It is not a de Polignac number, because 55773357 - 2¹² = 55769261 is a prime.

It is a super-2 number, since 2×55773357² = 6221334702098898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55773359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151788 + ... + 152154.

It is an arithmetic number, because the mean of its divisors is an integer number (4703040).

Almost surely, 2^55773357 is an apocalyptic number.

It is an amenable number.

55773357 is a deficient number, since it is larger than the sum of its proper divisors (19475283).

55773357 is a wasteful number, since it uses less digits than its factorization.

55773357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 385875, while the sum is 42.

The square root of 55773357 is about 7468.1561981523. The cubic root of 55773357 is about 382.0694048028.

The spelling of 55773357 in words is "fifty-five million, seven hundred seventy-three thousand, three hundred fifty-seven".