51848402 has 8 divisors (see below), whose sum is σ = 82347516. Its totient is φ = 24399232.

The previous prime is 51848387. The next prime is 51848429. The reversal of 51848402 is 20484815.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51825601 + 22801 = 7199^2 + 151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 762443 + ... + 762510.

Almost surely, 2^51848402 is an apocalyptic number.

51848402 is a deficient number, since it is larger than the sum of its proper divisors (30499114).

51848402 is a wasteful number, since it uses less digits than its factorization.

51848402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524972.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 51848402 is about 7200.5834485825. The cubic root of 51848402 is about 372.8880438913. Note that the first 3 decimals are identical.

The spelling of 51848402 in words is "fifty-one million, eight hundred forty-eight thousand, four hundred two".