55402403498 has 16 divisors (see below), whose sum is σ = 90045253536. Its totient is φ = 25413464880.

The previous prime is 55402403477. The next prime is 55402403501. The reversal of 55402403498 is 89430420455.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6532148 + ... + 6540623.

It is an arithmetic number, because the mean of its divisors is an integer number (5627828346).

Almost surely, 2^55402403498 is an apocalyptic number.

55402403498 is a deficient number, since it is larger than the sum of its proper divisors (34642850038).

55402403498 is a wasteful number, since it uses less digits than its factorization.

55402403498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13072949.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 55402403498 in words is "fifty-five billion, four hundred two million, four hundred three thousand, four hundred ninety-eight".