51877545 has 8 divisors (see below), whose sum is σ = 83004096. Its totient is φ = 27668016.

The previous prime is 51877531. The next prime is 51877547. The reversal of 51877545 is 54577815.

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

It is not a de Polignac number, because 51877545 - 2⁶ = 51877481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51877497 and 51877506.

It is not an unprimeable number, because it can be changed into a prime (51877547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729237 + ... + 1729266.

It is an arithmetic number, because the mean of its divisors is an integer number (10375512).

Almost surely, 2^51877545 is an apocalyptic number.

It is an amenable number.

51877545 is a deficient number, since it is larger than the sum of its proper divisors (31126551).

51877545 is a wasteful number, since it uses less digits than its factorization.

51877545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458511.

The product of its digits is 196000, while the sum is 42.

The square root of 51877545 is about 7202.6068197563. The cubic root of 51877545 is about 372.9578952298.

The spelling of 51877545 in words is "fifty-one million, eight hundred seventy-seven thousand, five hundred forty-five".