55418137750 has 32 divisors (see below), whose sum is σ = 108253319616. Its totient is φ = 21203459200.

The previous prime is 55418137717. The next prime is 55418137787. The reversal of 55418137750 is 5773181455.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 55418137750.

It is a congruent number.

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, 4813219 + ... + 4824718.

It is an arithmetic number, because the mean of its divisors is an integer number (3382916238).

Almost surely, 2^55418137750 is an apocalyptic number.

55418137750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55418137750 is a deficient number, since it is larger than the sum of its proper divisors (52835181866).

55418137750 is a wasteful number, since it uses less digits than its factorization.

55418137750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9637977 (or 9637967 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 55418137750 in words is "fifty-five billion, four hundred eighteen million, one hundred thirty-seven thousand, seven hundred fifty".