55062891 has 24 divisors (see below), whose sum is σ = 86013200. Its totient is φ = 33742656.

The previous prime is 55062869. The next prime is 55062899. The reversal of 55062891 is 19826055.

It is a happy number.

It is not a de Polignac number, because 55062891 - 2⁵ = 55062859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55062899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31560 + ... + 33258.

Almost surely, 2^55062891 is an apocalyptic number.

55062891 is a deficient number, since it is larger than the sum of its proper divisors (30950309).

55062891 is a wasteful number, since it uses less digits than its factorization.

55062891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 55062891 is about 7420.4373860306. The cubic root of 55062891 is about 380.4401432756.

The spelling of 55062891 in words is "fifty-five million, sixty-two thousand, eight hundred ninety-one".