55348090 has 32 divisors (see below), whose sum is σ = 120559104. Its totient is φ = 17859840.

The previous prime is 55348067. The next prime is 55348091. The reversal of 55348090 is 9084355.

It is a super-2 number, since 2×55348090² = 6126822133296200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (55348091) 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, 22066 + ... + 24445.

It is an arithmetic number, because the mean of its divisors is an integer number (3767472).

Almost surely, 2^55348090 is an apocalyptic number.

55348090 is an abundant number, since it is smaller than the sum of its proper divisors (65211014).

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

55348090 is a wasteful number, since it uses less digits than its factorization.

55348090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46542.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 55348090 is about 7439.6296950856. The cubic root of 55348090 is about 381.0958441533.

The spelling of 55348090 in words is "fifty-five million, three hundred forty-eight thousand, ninety".