55269020 has 24 divisors (see below), whose sum is σ = 116839968. Its totient is φ = 21960000.

The previous prime is 55269013. The next prime is 55269029. The reversal of 55269020 is 2096255.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55269029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (4868332).

Almost surely, 2^55269020 is an apocalyptic number.

It is an amenable number.

55269020 is an abundant number, since it is smaller than the sum of its proper divisors (61570948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55269020 is a wasteful number, since it uses less digits than its factorization.

55269020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18461 (or 18459 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 55269020 is about 7434.3136872209. The cubic root of 55269020 is about 380.9142804703.

The spelling of 55269020 in words is "fifty-five million, two hundred sixty-nine thousand, twenty".