55474530 has 16 divisors (see below), whose sum is σ = 133138944. Its totient is φ = 14793200.

The previous prime is 55474493. The next prime is 55474571. The reversal of 55474530 is 3547455.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55474491 and 55474500.

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, 924546 + ... + 924605.

It is an arithmetic number, because the mean of its divisors is an integer number (8321184).

Almost surely, 2^55474530 is an apocalyptic number.

55474530 is an abundant number, since it is smaller than the sum of its proper divisors (77664414).

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

55474530 is a wasteful number, since it uses less digits than its factorization.

55474530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849161.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 55474530 is about 7448.1225822351. The cubic root of 55474530 is about 381.3858217139.

The spelling of 55474530 in words is "fifty-five million, four hundred seventy-four thousand, five hundred thirty".