55124451 has 24 divisors (see below), whose sum is σ = 81628560. Its totient is φ = 35836416.

The previous prime is 55124449. The next prime is 55124473. The reversal of 55124451 is 15442155.

It is not a de Polignac number, because 55124451 - 2¹ = 55124449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55124401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67735 + ... + 68543.

It is an arithmetic number, because the mean of its divisors is an integer number (3401190).

Almost surely, 2^55124451 is an apocalyptic number.

55124451 is a deficient number, since it is larger than the sum of its proper divisors (26504109).

55124451 is a wasteful number, since it uses less digits than its factorization.

55124451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 992 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 55124451 is about 7424.5842307836. The cubic root of 55124451 is about 380.5818671144.

The spelling of 55124451 in words is "fifty-five million, one hundred twenty-four thousand, four hundred fifty-one".