1553455012 has 24 divisors (see below), whose sum is σ = 2809416960. Its totient is φ = 750821280.

The previous prime is 1553454943. The next prime is 1553455051. The reversal of 1553455012 is 2105543551.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110814 + ... + 124042.

It is an arithmetic number, because the mean of its divisors is an integer number (117059040).

Almost surely, 2^1553455012 is an apocalyptic number.

It is an amenable number.

1553455012 is a deficient number, since it is larger than the sum of its proper divisors (1255961948).

1553455012 is a wasteful number, since it uses less digits than its factorization.

1553455012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14211 (or 14209 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1553455012 is about 39413.8936417096. The cubic root of 1553455012 is about 1158.1537744111.

Adding to 1553455012 its reverse (2105543551), we get a palindrome (3658998563).

The spelling of 1553455012 in words is "one billion, five hundred fifty-three million, four hundred fifty-five thousand, twelve".