55412551 has 8 divisors (see below), whose sum is σ = 56438640. Its totient is φ = 54392448.

The previous prime is 55412521. The next prime is 55412561. The reversal of 55412551 is 15521455.

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 55412551 - 2⁵ = 55412519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55412501) 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, 19935 + ... + 22543.

It is an arithmetic number, because the mean of its divisors is an integer number (7054830).

Almost surely, 2^55412551 is an apocalyptic number.

55412551 is a deficient number, since it is larger than the sum of its proper divisors (1026089).

55412551 is a wasteful number, since it uses less digits than its factorization.

55412551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993.

The product of its digits is 5000, while the sum is 28.

The square root of 55412551 is about 7443.9607065056. The cubic root of 55412551 is about 381.2437341620.

The spelling of 55412551 in words is "fifty-five million, four hundred twelve thousand, five hundred fifty-one".