55372027 has 4 divisors (see below), whose sum is σ = 55495800. Its totient is φ = 55248256.

The previous prime is 55372021. The next prime is 55372067. The reversal of 55372027 is 72027355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72027355 = 5 ⋅14405471.

It is a cyclic number.

It is not a de Polignac number, because 55372027 - 2¹⁵ = 55339259 is a prime.

It is a super-2 number, since 2×55372027² = 6132122748177458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 55372027 parts by 10523 straight cuts.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55372027.

It is not an unprimeable number, because it can be changed into a prime (55372021) 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, 61213 + ... + 62110.

It is an arithmetic number, because the mean of its divisors is an integer number (13873950).

Almost surely, 2^55372027 is an apocalyptic number.

55372027 is a deficient number, since it is larger than the sum of its proper divisors (123773).

55372027 is a wasteful number, since it uses less digits than its factorization.

55372027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123772.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 55372027 is about 7441.2382706106. The cubic root of 55372027 is about 381.1507751453.

The spelling of 55372027 in words is "fifty-five million, three hundred seventy-two thousand, twenty-seven".