552391420 has 48 divisors (see below), whose sum is σ = 1371464640. Its totient is φ = 182859264.

The previous prime is 552391393. The next prime is 552391439. The reversal of 552391420 is 24193255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63969 + ... + 72088.

It is an arithmetic number, because the mean of its divisors is an integer number (28572180).

Almost surely, 2^552391420 is an apocalyptic number.

It is an amenable number.

552391420 is an abundant number, since it is smaller than the sum of its proper divisors (819073220).

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

552391420 is a wasteful number, since it uses less digits than its factorization.

552391420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136102 (or 136100 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 552391420 is about 23503.0087435630. The cubic root of 552391420 is about 820.5070332373.

The spelling of 552391420 in words is "five hundred fifty-two million, three hundred ninety-one thousand, four hundred twenty".