1552400052 has 48 divisors (see below), whose sum is σ = 4143216000. Its totient is φ = 443169792.

The previous prime is 1552400029. The next prime is 1552400063. The reversal of 1552400052 is 2500042551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1552399995 and 1552400031.

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, 101824 + ... + 116072.

It is an arithmetic number, because the mean of its divisors is an integer number (86317000).

Almost surely, 2^1552400052 is an apocalyptic number.

1552400052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1552400052 is an abundant number, since it is smaller than the sum of its proper divisors (2590815948).

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

1552400052 is a wasteful number, since it uses less digits than its factorization.

1552400052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15560 (or 15558 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1552400052 is about 39400.5082708333. The cubic root of 1552400052 is about 1157.8915454700.

The spelling of 1552400052 in words is "one billion, five hundred fifty-two million, four hundred thousand, fifty-two".