55370484978 has 16 divisors (see below), whose sum is σ = 113733969600. Its totient is φ = 17957995056.

The previous prime is 55370484977. The next prime is 55370485003. The reversal of 55370484978 is 87948407355.

55370484978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55370484977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124708078 + ... + 124708521.

It is an arithmetic number, because the mean of its divisors is an integer number (7108373100).

Almost surely, 2^55370484978 is an apocalyptic number.

55370484978 is an abundant number, since it is smaller than the sum of its proper divisors (58363484622).

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

55370484978 is a wasteful number, since it uses less digits than its factorization.

55370484978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249416641.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 55370484978 in words is "fifty-five billion, three hundred seventy million, four hundred eighty-four thousand, nine hundred seventy-eight".