55575437450 has 96 divisors (see below), whose sum is σ = 115781756160. Its totient is φ = 19712160000.

The previous prime is 55575437383. The next prime is 55575437459. The reversal of 55575437450 is 5473457555.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (55575437459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1885325 + ... + 1914575.

It is an arithmetic number, because the mean of its divisors is an integer number (1206059960).

Almost surely, 2^55575437450 is an apocalyptic number.

55575437450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55575437450 is an abundant number, since it is smaller than the sum of its proper divisors (60206318710).

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

55575437450 is a wasteful number, since it uses less digits than its factorization.

55575437450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29392 (or 29387 counting only the distinct ones).

The product of its (nonzero) digits is 7350000, while the sum is 50.

The spelling of 55575437450 in words is "fifty-five billion, five hundred seventy-five million, four hundred thirty-seven thousand, four hundred fifty".