55253146 has 32 divisors (see below), whose sum is σ = 91728000. Its totient is φ = 24805440.

The previous prime is 55253141. The next prime is 55253147. The reversal of 55253146 is 64135255.

It is not an unprimeable number, because it can be changed into a prime (55253141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277555 + ... + 277753.

It is an arithmetic number, because the mean of its divisors is an integer number (2866500).

Almost surely, 2^55253146 is an apocalyptic number.

55253146 is a deficient number, since it is larger than the sum of its proper divisors (36474854).

55253146 is a wasteful number, since it uses less digits than its factorization.

55253146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its digits is 18000, while the sum is 31.

The square root of 55253146 is about 7433.2459935078. The cubic root of 55253146 is about 380.8778090904.

The spelling of 55253146 in words is "fifty-five million, two hundred fifty-three thousand, one hundred forty-six".