55523451 has 8 divisors (see below), whose sum is σ = 74863440. Its totient is φ = 36599552.

The previous prime is 55523443. The next prime is 55523467. The reversal of 55523451 is 15432555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55523451 - 2³ = 55523443 is a prime.

It is a super-2 number, since 2×55523451² = 6165707221898802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55523651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103710 + ... + 104243.

It is an arithmetic number, because the mean of its divisors is an integer number (9357930).

Almost surely, 2^55523451 is an apocalyptic number.

55523451 is a deficient number, since it is larger than the sum of its proper divisors (19339989).

55523451 is a wasteful number, since it uses less digits than its factorization.

55523451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208045.

The product of its digits is 15000, while the sum is 30.

The square root of 55523451 is about 7451.4059747138. The cubic root of 55523451 is about 381.4978989376.

The spelling of 55523451 in words is "fifty-five million, five hundred twenty-three thousand, four hundred fifty-one".