51977354 has 16 divisors (see below), whose sum is σ = 91596960. Its totient is φ = 21808560.

The previous prime is 51977351. The next prime is 51977383. The reversal of 51977354 is 45377915.

It is not an unprimeable number, because it can be changed into a prime (51977351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90584 + ... + 91155.

It is an arithmetic number, because the mean of its divisors is an integer number (5724810).

Almost surely, 2^51977354 is an apocalyptic number.

51977354 is a deficient number, since it is larger than the sum of its proper divisors (39619606).

51977354 is a wasteful number, since it uses less digits than its factorization.

51977354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181765.

The product of its digits is 132300, while the sum is 41.

The square root of 51977354 is about 7209.5321623528. The cubic root of 51977354 is about 373.1969241939.

The spelling of 51977354 in words is "fifty-one million, nine hundred seventy-seven thousand, three hundred fifty-four".