51401548 has 24 divisors (see below), whose sum is σ = 98335440. Its totient is φ = 23315520.

The previous prime is 51401533. The next prime is 51401611. The reversal of 51401548 is 84510415.

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, 27838 + ... + 29626.

It is an arithmetic number, because the mean of its divisors is an integer number (4097310).

Almost surely, 2^51401548 is an apocalyptic number.

It is an amenable number.

51401548 is a deficient number, since it is larger than the sum of its proper divisors (46933892).

51401548 is a wasteful number, since it uses less digits than its factorization.

51401548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 51401548 is about 7169.4872898974. The cubic root of 51401548 is about 371.8137098624.

The spelling of 51401548 in words is "fifty-one million, four hundred one thousand, five hundred forty-eight".