45211757550 has 96 divisors (see below), whose sum is σ = 118922325984. Its totient is φ = 11328000000.

The previous prime is 45211757527. The next prime is 45211757579. The reversal of 45211757550 is 5575711254.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1517800 + ... + 1547300.

It is an arithmetic number, because the mean of its divisors is an integer number (1238774229).

Almost surely, 2^45211757550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45211757550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59461162992).

45211757550 is an abundant number, since it is smaller than the sum of its proper divisors (73710568434).

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

45211757550 is a wasteful number, since it uses less digits than its factorization.

45211757550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30134 (or 30129 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 42.

The spelling of 45211757550 in words is "forty-five billion, two hundred eleven million, seven hundred fifty-seven thousand, five hundred fifty".