55371456 has 168 divisors, whose sum is σ = 187659264. Its totient is φ = 15275520.

The previous prime is 55371391. The next prime is 55371467. The reversal of 55371456 is 65417355.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55371456.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124771 + ... + 125213.

Almost surely, 2^55371456 is an apocalyptic number.

55371456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55371456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93829632).

55371456 is an abundant number, since it is smaller than the sum of its proper divisors (132287808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55371456 is a wasteful number, since it uses less digits than its factorization.

55371456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 486 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 55371456 is about 7441.1999032414. The cubic root of 55371456 is about 381.1494649901.

The spelling of 55371456 in words is "fifty-five million, three hundred seventy-one thousand, four hundred fifty-six".