45316223550 has 240 divisors, whose sum is σ = 135980171712. Its totient is φ = 11123308800.

The previous prime is 45316223549. The next prime is 45316223567. The reversal of 45316223550 is 5532261354.

45316223550 is a `hidden beast` number, since 45 + 3 + 1 + 62 + 2 + 3 + 550 = 666.

45316223550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 22691152 + ... + 22693148.

Almost surely, 2^45316223550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45316223550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67990085856).

45316223550 is an abundant number, since it is smaller than the sum of its proper divisors (90663948162).

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

45316223550 is a wasteful number, since it uses less digits than its factorization.

45316223550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 45316223550 in words is "forty-five billion, three hundred sixteen million, two hundred twenty-three thousand, five hundred fifty".