55371742 has 8 divisors (see below), whose sum is σ = 83421000. Its totient is φ = 27564744.

The previous prime is 55371733. The next prime is 55371769. The reversal of 55371742 is 24717355.

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

It is a super-2 number, since 2×55371742² = 6132059624229128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55371698 and 55371707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59992 + ... + 60907.

It is an arithmetic number, because the mean of its divisors is an integer number (10427625).

Almost surely, 2^55371742 is an apocalyptic number.

55371742 is a deficient number, since it is larger than the sum of its proper divisors (28049258).

55371742 is a wasteful number, since it uses less digits than its factorization.

55371742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121130.

The product of its digits is 29400, while the sum is 34.

The square root of 55371742 is about 7441.2191205474. The cubic root of 55371742 is about 381.1501212161.

The spelling of 55371742 in words is "fifty-five million, three hundred seventy-one thousand, seven hundred forty-two".