1157650552 has 16 divisors (see below), whose sum is σ = 2171666160. Its totient is φ = 578539584.

The previous prime is 1157650541. The next prime is 1157650579. The reversal of 1157650552 is 2550567511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17973 + ... + 51364.

It is an arithmetic number, because the mean of its divisors is an integer number (135729135).

Almost surely, 2^1157650552 is an apocalyptic number.

It is an amenable number.

1157650552 is a deficient number, since it is larger than the sum of its proper divisors (1014015608).

1157650552 is a wasteful number, since it uses less digits than its factorization.

1157650552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71430 (or 71426 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 37.

The square root of 1157650552 is about 34024.2641654452. The cubic root of 1157650552 is about 1050.0077254156.

It can be divided in two parts, 11576 and 50552, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 1157650552 in words is "one billion, one hundred fifty-seven million, six hundred fifty thousand, five hundred fifty-two".