55362155400 has 384 divisors, whose sum is σ = 197226662400. Its totient is φ = 14443764480.

The previous prime is 55362155371. The next prime is 55362155413. The reversal of 55362155400 is 455126355.

55362155400 is a `hidden beast` number, since 5 + 5 + 36 + 215 + 5 + 400 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20556454 + ... + 20559146.

It is an arithmetic number, because the mean of its divisors is an integer number (513611100).

Almost surely, 2^55362155400 is an apocalyptic number.

55362155400 is a gapful number since it is divisible by the number (50) 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 55362155400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98613331200).

55362155400 is an abundant number, since it is smaller than the sum of its proper divisors (141864507000).

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

55362155400 is a wasteful number, since it uses less digits than its factorization.

55362155400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2750 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 55362155400 in words is "fifty-five billion, three hundred sixty-two million, one hundred fifty-five thousand, four hundred".