55039370 has 24 divisors (see below), whose sum is σ = 105083244. Its totient is φ = 20684288.

The previous prime is 55039351. The next prime is 55039373. The reversal of 55039370 is 7393055.

It can be written as a sum of positive squares in 6 ways, for example, as 12411529 + 42627841 = 3523^2 + 6529^2 .

It is not an unprimeable number, because it can be changed into a prime (55039373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96446 + ... + 97014.

Almost surely, 2^55039370 is an apocalyptic number.

55039370 is a deficient number, since it is larger than the sum of its proper divisors (50043874).

55039370 is an equidigital number, since it uses as much as digits as its factorization.

55039370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 55039370 is about 7418.8523371206. The cubic root of 55039370 is about 380.3859651840.

The spelling of 55039370 in words is "fifty-five million, thirty-nine thousand, three hundred seventy".