553091957 has 24 divisors (see below), whose sum is σ = 674761440. Its totient is φ = 448277760.

The previous prime is 553091953. The next prime is 553091977. The reversal of 553091957 is 759190355.

It is not a de Polignac number, because 553091957 - 2² = 553091953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553091953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55823 + ... + 64979.

It is an arithmetic number, because the mean of its divisors is an integer number (28115060).

Almost surely, 2^553091957 is an apocalyptic number.

It is an amenable number.

553091957 is a deficient number, since it is larger than the sum of its proper divisors (121669483).

553091957 is a wasteful number, since it uses less digits than its factorization.

553091957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9221 (or 9204 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 44.

The square root of 553091957 is about 23517.9071560375. The cubic root of 553091957 is about 820.8537395175.

The spelling of 553091957 in words is "five hundred fifty-three million, ninety-one thousand, nine hundred fifty-seven".