55037087 has 4 divisors (see below), whose sum is σ = 62899536. Its totient is φ = 47174640.

The previous prime is 55037077. The next prime is 55037089. The reversal of 55037087 is 78073055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78073055 = 5 ⋅15614611.

It is a cyclic number.

It is not a de Polignac number, because 55037087 - 2⁴ = 55037071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55037089) 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, 3931214 + ... + 3931227.

It is an arithmetic number, because the mean of its divisors is an integer number (15724884).

Almost surely, 2^55037087 is an apocalyptic number.

55037087 is a deficient number, since it is larger than the sum of its proper divisors (7862449).

55037087 is an equidigital number, since it uses as much as digits as its factorization.

55037087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862448.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 55037087 is about 7418.6984707562. The cubic root of 55037087 is about 380.3807057175.

The spelling of 55037087 in words is "fifty-five million, thirty-seven thousand, eighty-seven".