55533877 has 16 divisors (see below), whose sum is σ = 65100672. Its totient is φ = 46388160.

The previous prime is 55533859. The next prime is 55533899. The reversal of 55533877 is 77833555.

It is not a de Polignac number, because 55533877 - 2¹¹ = 55531829 is a prime.

It is a super-2 number, since 2×55533877² = 6168022989302258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55533817) 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, 66738 + ... + 67564.

It is an arithmetic number, because the mean of its divisors is an integer number (4068792).

Almost surely, 2^55533877 is an apocalyptic number.

It is an amenable number.

55533877 is a deficient number, since it is larger than the sum of its proper divisors (9566795).

55533877 is a wasteful number, since it uses less digits than its factorization.

55533877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its digits is 441000, while the sum is 43.

The square root of 55533877 is about 7452.1055413890. The cubic root of 55533877 is about 381.5217762248.

The spelling of 55533877 in words is "fifty-five million, five hundred thirty-three thousand, eight hundred seventy-seven".