551923953 has 16 divisors (see below), whose sum is σ = 841927680. Its totient is φ = 315047376.

The previous prime is 551923949. The next prime is 551924003. The reversal of 551923953 is 359329155.

It is not a de Polignac number, because 551923953 - 2² = 551923949 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551923903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6718 + ... + 33896.

It is an arithmetic number, because the mean of its divisors is an integer number (52620480).

Almost surely, 2^551923953 is an apocalyptic number.

It is an amenable number.

551923953 is a deficient number, since it is larger than the sum of its proper divisors (290003727).

551923953 is a wasteful number, since it uses less digits than its factorization.

551923953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28156.

The product of its digits is 182250, while the sum is 42.

The square root of 551923953 is about 23493.0618055629. The cubic root of 551923953 is about 820.2755137051.

The spelling of 551923953 in words is "five hundred fifty-one million, nine hundred twenty-three thousand, nine hundred fifty-three".