55480734 has 16 divisors (see below), whose sum is σ = 123290640. Its totient is φ = 18493560.

The previous prime is 55480729. The next prime is 55480759. The reversal of 55480734 is 43708455.

It is a super-2 number, since 2×55480734² = 6156223690357512, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513657 + ... + 513764.

It is an arithmetic number, because the mean of its divisors is an integer number (7705665).

Almost surely, 2^55480734 is an apocalyptic number.

55480734 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55480734 is an abundant number, since it is smaller than the sum of its proper divisors (67809906).

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

55480734 is a wasteful number, since it uses less digits than its factorization.

55480734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027432 (or 1027426 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 55480734 is about 7448.5390513845. The cubic root of 55480734 is about 381.4000386253.

The spelling of 55480734 in words is "fifty-five million, four hundred eighty thousand, seven hundred thirty-four".