55867451 has 4 divisors (see below), whose sum is σ = 55889400. Its totient is φ = 55845504.

The previous prime is 55867421. The next prime is 55867489. The reversal of 55867451 is 15476855.

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

It is a cyclic number.

It is not a de Polignac number, because 55867451 - 2⁶ = 55867387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55867399 and 55867408.

It is not an unprimeable number, because it can be changed into a prime (55867421) 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, 6566 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (13972350).

Almost surely, 2^55867451 is an apocalyptic number.

55867451 is a deficient number, since it is larger than the sum of its proper divisors (21949).

55867451 is a wasteful number, since it uses less digits than its factorization.

55867451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21948.

The product of its digits is 168000, while the sum is 41.

The square root of 55867451 is about 7474.4532241496. The cubic root of 55867451 is about 382.2841443749.

The spelling of 55867451 in words is "fifty-five million, eight hundred sixty-seven thousand, four hundred fifty-one".