55555050490 has 32 divisors (see below), whose sum is σ = 100517760000. Its totient is φ = 22106947968.

The previous prime is 55555050427. The next prime is 55555050503. The reversal of 55555050490 is 9405055555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2496031 + ... + 2518189.

It is an arithmetic number, because the mean of its divisors is an integer number (3141180000).

Almost surely, 2^55555050490 is an apocalyptic number.

55555050490 is a deficient number, since it is larger than the sum of its proper divisors (44962709510).

55555050490 is a wasteful number, since it uses less digits than its factorization.

55555050490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23454.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 55555050490 in words is "fifty-five billion, five hundred fifty-five million, fifty thousand, four hundred ninety".