52311428 has 12 divisors (see below), whose sum is σ = 98587020. Its totient is φ = 24143712.

The previous prime is 52311409. The next prime is 52311433. The reversal of 52311428 is 82411325.

It can be written as a sum of positive squares in 2 ways, for example, as 8248384 + 44063044 = 2872^2 + 6638^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 52311397 and 52311406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502943 + ... + 503046.

It is an arithmetic number, because the mean of its divisors is an integer number (8215585).

Almost surely, 2^52311428 is an apocalyptic number.

It is an amenable number.

52311428 is a deficient number, since it is larger than the sum of its proper divisors (46275592).

52311428 is a wasteful number, since it uses less digits than its factorization.

52311428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006006 (or 1006004 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 52311428 is about 7232.6639628839. The cubic root of 52311428 is about 373.9947667202.

The spelling of 52311428 in words is "fifty-two million, three hundred eleven thousand, four hundred twenty-eight".