54521626 has 4 divisors (see below), whose sum is σ = 81782442. Its totient is φ = 27260812.

The previous prime is 54521611. The next prime is 54521639. The reversal of 54521626 is 62612545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32478601 + 22043025 = 5699^2 + 4695^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13630405 + ... + 13630408.

Almost surely, 2^54521626 is an apocalyptic number.

54521626 is a deficient number, since it is larger than the sum of its proper divisors (27260816).

54521626 is a wasteful number, since it uses less digits than its factorization.

54521626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27260815.

The product of its digits is 14400, while the sum is 31.

The square root of 54521626 is about 7383.8760823838. The cubic root of 54521626 is about 379.1894681346.

The spelling of 54521626 in words is "fifty-four million, five hundred twenty-one thousand, six hundred twenty-six".