1055552340 has 48 divisors (see below), whose sum is σ = 3084052608. Its totient is φ = 269241984.

The previous prime is 1055552297. The next prime is 1055552359. The reversal of 1055552340 is 432555501.

It is a happy number.

It is a super-2 number, since 2×1055552340² = 2228381484958951200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1055552298 and 1055552307.

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, 381067 + ... + 383826.

It is an arithmetic number, because the mean of its divisors is an integer number (64251096).

Almost surely, 2^1055552340 is an apocalyptic number.

1055552340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055552340 is an abundant number, since it is smaller than the sum of its proper divisors (2028500268).

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

1055552340 is a wasteful number, since it uses less digits than its factorization.

1055552340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764928 (or 764926 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1055552340 is about 32489.2649963030. The cubic root of 1055552340 is about 1018.1847568087.

The spelling of 1055552340 in words is "one billion, fifty-five million, five hundred fifty-two thousand, three hundred forty".