55418573952 has 512 divisors, whose sum is σ = 194196902400. Its totient is φ = 15228518400.

The previous prime is 55418573939. The next prime is 55418573953. The reversal of 55418573952 is 25937581455.

55418573952 is a `hidden beast` number, since 5 + 5 + 4 + 18 + 573 + 9 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (55418573953) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90405198 + ... + 90405810.

It is an arithmetic number, because the mean of its divisors is an integer number (379290825).

Almost surely, 2^55418573952 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 55418573952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97098451200).

55418573952 is an abundant number, since it is smaller than the sum of its proper divisors (138778328448).

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

55418573952 is a wasteful number, since it uses less digits than its factorization.

55418573952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 763 counting only the distinct ones).

The product of its digits is 7560000, while the sum is 54.

The spelling of 55418573952 in words is "fifty-five billion, four hundred eighteen million, five hundred seventy-three thousand, nine hundred fifty-two".