1055658372 has 24 divisors (see below), whose sum is σ = 2488599456. Its totient is φ = 348258048.

The previous prime is 1055658371. The next prime is 1055658397. The reversal of 1055658372 is 2738565501.

It is a super-2 number, since 2×1055658372² = 2228829196747380768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055658371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452298 + ... + 454625.

It is an arithmetic number, because the mean of its divisors is an integer number (103691644).

Almost surely, 2^1055658372 is an apocalyptic number.

1055658372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1055658372 is an abundant number, since it is smaller than the sum of its proper divisors (1432941084).

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

1055658372 is a wasteful number, since it uses less digits than its factorization.

1055658372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907027 (or 907025 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 1055658372 is about 32490.8967558607. The cubic root of 1055658372 is about 1018.2188484551.

The spelling of 1055658372 in words is "one billion, fifty-five million, six hundred fifty-eight thousand, three hundred seventy-two".