55860451 has 4 divisors (see below), whose sum is σ = 55875400. Its totient is φ = 55845504.

The previous prime is 55860439. The next prime is 55860461. The reversal of 55860451 is 15406855.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55860451 - 2¹⁷ = 55729379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55860421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715 + ... + 11203.

It is an arithmetic number, because the mean of its divisors is an integer number (13968850).

Almost surely, 2^55860451 is an apocalyptic number.

55860451 is a deficient number, since it is larger than the sum of its proper divisors (14949).

55860451 is an equidigital number, since it uses as much as digits as its factorization.

55860451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14948.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 55860451 is about 7473.9849478039. The cubic root of 55860451 is about 382.2681774106.

It can be divided in two parts, 558 and 60451, that added together give a square (61009 = 247²).

The spelling of 55860451 in words is "fifty-five million, eight hundred sixty thousand, four hundred fifty-one".