55402554324 has 96 divisors (see below), whose sum is σ = 141120000000. Its totient is φ = 16814318976.

The previous prime is 55402554281. The next prime is 55402554397. The reversal of 55402554324 is 42345520455.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18472177 + ... + 18475175.

It is an arithmetic number, because the mean of its divisors is an integer number (1470000000).

Almost surely, 2^55402554324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55402554324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70560000000).

55402554324 is an abundant number, since it is smaller than the sum of its proper divisors (85717445676).

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

55402554324 is a wasteful number, since it uses less digits than its factorization.

55402554324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 55402554324 in words is "fifty-five billion, four hundred two million, five hundred fifty-four thousand, three hundred twenty-four".